Fusa (1993)

When an amnesiac woman walks into the household of a young samurai no one knows what to make of the mysterious newcomer. However, with her serene beauty and hard working etiquette both the master of the house, who is engaged, and the servants soon come to admire the woman whom they have named Fusa. This changes everything. Still, Fusa and her new friends and family know nothing about her circumstance prior to her arrival.